420164520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205963}}^1$

素因数の和:205994

約数の個数: 64

約数和(自身を含む): 1334646720

約数和(自身を除く): 914482200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 205963, 411926, 617889, 823852, 1029815, 1235778, 1647704, 2059630, 2471556, 3089445, 3501371, 4119260, 4943112, 6178890, 7002742, 8238520, 10504113, 12357780, 14005484, 17506855, 21008226, 24715560, 28010968, 35013710, 42016452, 52520565, 70027420, 84032904, 105041130, 140054840, 210082260, 420164520]

約数ペア:

[(1, 420164520), (2, 210082260), (3, 140054840), (4, 105041130), (5, 84032904), (6, 70027420), (8, 52520565), (10, 42016452), (12, 35013710), (15, 28010968), (17, 24715560), (20, 21008226), (24, 17506855), (30, 14005484), (34, 12357780), (40, 10504113), (51, 8238520), (60, 7002742), (68, 6178890), (85, 4943112), (102, 4119260), (120, 3501371), (136, 3089445), (170, 2471556), (204, 2059630), (255, 1647704), (340, 1235778), (408, 1029815), (510, 823852), (680, 617889), (1020, 411926), (2040, 205963)]